diplomats during the benghazi, libya, attack. abc news has learned a drone did arrive over that city as the attack was ending and diplomats were being evacuated, which could allow romney to renew his attack. >> it was not a spontaneous demonstrati demonstration, is that what you're saying? >> please proceed, governor. >> reporter: while the president has been out of site at camp david preparing for this last debate, we did get a hint of his plan. highlight the killing of bin laden, the end of the iraq war and then question mitt romney's overseas trip as a presidential candidate, when he wondered about security at london's olympics. >> we all remember his "dukes of hazzard" tour of international destinations over the summer, where he, not only roiled countries that are not as friendly to us, but our best al li, britain. >> reporter: this is a foreign policy debate, but both campaigns tell me that each of the candidates will figure out a way to make a point about the economy. the argument, that a strong economy makes the country's